372212381 has 8 divisors (see below), whose sum is σ = 400925184. Its totient is φ = 344543760.

The previous prime is 372212363. The next prime is 372212383. The reversal of 372212381 is 183212273.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-372212381 is a prime.

It is a super-3 number, since 3×372212381³ (a number of 27 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (372212383) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 260306 + ... + 261731.

It is an arithmetic number, because the mean of its divisors is an integer number (50115648).

Almost surely, 2^372212381 is an apocalyptic number.

372212381 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

372212381 is a deficient number, since it is larger than the sum of its proper divisors (28712803).

372212381 is a wasteful number, since it uses less digits than its factorization.

372212381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 522091.

The product of its digits is 4032, while the sum is 29.

The square root of 372212381 is about 19292.8064573302. The cubic root of 372212381 is about 719.3334758916. Note that the first 3 decimals are identical.

The spelling of 372212381 in words is "three hundred seventy-two million, two hundred twelve thousand, three hundred eighty-one".